package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {
    @Autowired
    MinioClient minioClient;
    @Autowired
    private MinioProperties minioProperties;

    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException, IOException {
        String filrname= new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + "/" + UUID.randomUUID() + "-" + file.getOriginalFilename();
        String policy =
                """
                        {
                          "Statement" : [ {
                            "Action" : "s3:GetObject",
                            "Effect" : "Allow",
                            "Principal" : "*",
                            "Resource" : "arn:aws:s3:::%s/*"
                          } ],
                          "Version" : "2012-10-17"
                        }
                        """.formatted(minioProperties.getBucketName());
        try {
            boolean b = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
            if (!b) {
                minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
                minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperties.getBucketName()).config(policy).build());

            }

            minioClient.putObject(PutObjectArgs.builder().
                    bucket(minioProperties.getBucketName())
                    .object(filrname)
                    .stream(file.getInputStream(), file.getSize(), -1).contentType(file.getContentType()).build());

        } catch (Exception e) {
            e.printStackTrace();

        }
        return String.join("/", minioProperties.getEndpoint(), minioProperties.getBucketName(), filrname);
    }
}
